All these forms of interception are generally admissible and obey the same rules.
For every kind of interception, it requires the authorization of the examining judge.
For the judge to authorize the interception, there must be good reasons to believe that there is no other way to obtain the evidence, or that such evidence is indispensable for the investigation.
Interception is allowed for criminal offences punishable with imprisonment exceeding 3 years and a catalogue of offences: drug trafficking, weapons detention and trafficking, smuggling, verbal abuse, threats, coercion and interference in a person's private life and disturbance of peace and tranquillity when committed by telephone, fake threats with the goal of causing general panic, ill-use of emergency lines, prison escape when the person was convicted for one of the above criminal offences.
It is also allowed for the investigation of cybercrimes (computer related forgery, fraud, illegal access, illegal interception, data interference, infringement of copyrights), under the same general requirements.
This measure can be authorized regarding suspects, people that receive or transmit messages sent or received by the suspect, and the victim.
Interception and recording of conversations or communications between the accused and its lawyer is prohibited, except when the judge has a good reason to believe that those conversations constitute or contribute to a criminal offence.
The examining judge may authorise interception for a maximum of three months, renewal under the same limits and requirements.